Samsung firmware files keep them packed with specific encryption that can be decrypted by official flash tools like Odin before installation. Binaries like BL, AP, CP, and CSC pack together all core elements and partitions. Updato is a Sammobile alternative that allows Samsung firmware download from their repository. The website has a good UI but its pages are super packed with ad banners download the stock firmware.
Exactly you have this model you can update the latest Android for the device supports. All our ROM file searchers want to get firmware without cost.
Once downloaded please extract and open the “Odin.exe” file. Now you need to download the Odin from this link.
However you will be able to install the same binary number or higher one though. If you have faced any issues while downgrading your Samsung Galaxy firmware, please feel free to post it in the comment section below, don’t worry I will help you as fast I can.